import requests
import time
while True:
    time.sleep(3)
    param = {
        "ak":"l1-e1e974a4-t0b86b97797d",
        "audience_id":"669"
    }
    response = requests.post("http://staging.argus.sensetime.com/argus-iot-vdd/v1/live/heartbeat",json=param)
    print(response.text)